If you're looking to upgrade the RAM on your computer or need this information as a reference point before purchasing a new machine, here's how you can check what speed your PC or Mac's RAM runs at.

If the laptop doesn't start, try taking the new RAM out and installing it again to make sure you've done it correctly. While your laptop is open, it's a good time to check the computer is working ...

While the information is easily available on your computer, it is hard to find ... configuration details such as laptop model, Windows, RAM, storage capacity and other software details.